git.sur5r.net Git - openldap/blob - servers/slapd/root_dse.c

   1 /* root_dse.c - Provides the Root DSA-Specific Entry */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1999-2003 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20
  21 #include <ac/string.h>
  22
  23 #include "slap.h"
  24 #include <ldif.h>
  25 #include "lber_pvt.h"
  26
  27 #ifdef LDAP_SLAPI
  28 #include "slapi.h"
  29 #endif
  30
  31 static struct berval supportedFeatures[] = {
  32         BER_BVC(LDAP_FEATURE_ALL_OPERATIONAL_ATTRS), /* All Op Attrs (+) */
  33         BER_BVC(LDAP_FEATURE_OBJECTCLASS_ATTRS), /* OCs in Attrs List (+person) */
  34         BER_BVC(LDAP_FEATURE_ABSOLUTE_FILTERS), /* (&) and (|) search filters */
  35         BER_BVC(LDAP_FEATURE_LANGUAGE_TAG_OPTIONS), /* Language Tag Options */
  36         BER_BVC(LDAP_FEATURE_LANGUAGE_RANGE_OPTIONS), /* Language Range Options */
  37 #ifdef LDAP_DEVEL
  38         BER_BVC(LDAP_FEATURE_MODIFY_INCREMENT), /* Modify/increment */
  39 #endif
  40         {0,NULL}
  41 };
  42
  43 static Entry    *usr_attr = NULL;
  44
  45 int
  46 root_dse_info(
  47         Connection *conn,
  48         Entry **entry,
  49         const char **text )
  50 {
  51         Entry           *e;
  52         struct berval vals[2], *bv;
  53         struct berval nvals[2];
  54         int             i, j;
  55         char ** supportedSASLMechanisms;
  56
  57         AttributeDescription *ad_structuralObjectClass
  58                 = slap_schema.si_ad_structuralObjectClass;
  59         AttributeDescription *ad_objectClass
  60                 = slap_schema.si_ad_objectClass;
  61         AttributeDescription *ad_namingContexts
  62                 = slap_schema.si_ad_namingContexts;
  63         AttributeDescription *ad_supportedExtension
  64                 = slap_schema.si_ad_supportedExtension;
  65         AttributeDescription *ad_supportedLDAPVersion
  66                 = slap_schema.si_ad_supportedLDAPVersion;
  67         AttributeDescription *ad_supportedSASLMechanisms
  68                 = slap_schema.si_ad_supportedSASLMechanisms;
  69         AttributeDescription *ad_supportedFeatures
  70                 = slap_schema.si_ad_supportedFeatures;
  71         AttributeDescription *ad_monitorContext
  72                 = slap_schema.si_ad_monitorContext;
  73         AttributeDescription *ad_ref
  74                 = slap_schema.si_ad_ref;
  75
  76         vals[1].bv_val = NULL;
  77         nvals[1].bv_val = NULL;
  78
  79         e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
  80
  81         if( e == NULL ) {
  82 #ifdef NEW_LOGGING
  83                 LDAP_LOG( OPERATION, ERR,
  84                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  85 #else
  86                 Debug( LDAP_DEBUG_ANY,
  87                         "root_dse_info: SLAP_CALLOC failed", 0, 0, 0 );
  88 #endif
  89                 return LDAP_OTHER;
  90         }
  91
  92         e->e_attrs = NULL;
  93         e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE );
  94         e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  95         e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE );
  96         e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1;
  97
  98         /* the DN is an empty string so no pretty/normalization is needed */
  99         assert( !e->e_name.bv_len );
 100         assert( !e->e_nname.bv_len );
 101
 102         e->e_private = NULL;
 103
 104         vals[0].bv_val = "top";
 105         vals[0].bv_len = sizeof("top")-1;
 106         if( attr_merge( e, ad_objectClass, vals, NULL ) ) {
 107                 return LDAP_OTHER;
 108         }
 109
 110         vals[0].bv_val = "OpenLDAProotDSE";
 111         vals[0].bv_len = sizeof("OpenLDAProotDSE")-1;
 112         if( attr_merge( e, ad_objectClass, vals, NULL ) ) {
 113                 return LDAP_OTHER;
 114         }
 115         if( attr_merge( e, ad_structuralObjectClass, vals, NULL ) ) {
 116                 return LDAP_OTHER;
 117         }
 118
 119         for ( i = 0; i < nbackends; i++ ) {
 120                 if ( backends[i].be_flags & SLAP_BFLAG_MONITOR ) {
 121                         vals[0] = backends[i].be_suffix[0];
 122                         nvals[0] = backends[i].be_nsuffix[0];
 123                         if( attr_merge( e, ad_monitorContext, vals, nvals ) ) {
 124                                 return LDAP_OTHER;
 125                         }
 126                         continue;
 127                 }
 128                 if ( SLAP_GLUE_SUBORDINATE( &backends[i] ) ) {
 129                         continue;
 130                 }
 131                 for ( j = 0; backends[i].be_suffix[j].bv_val != NULL; j++ ) {
 132                         vals[0] = backends[i].be_suffix[j];
 133                         nvals[0] = backends[i].be_nsuffix[0];
 134                         if( attr_merge( e, ad_namingContexts, vals, nvals ) ) {
 135                                 return LDAP_OTHER;
 136                         }
 137                 }
 138         }
 139
 140         /* altServer unsupported */
 141
 142         /* supportedControl */
 143         if ( controls_root_dse_info( e ) != 0 ) {
 144                 return LDAP_OTHER;
 145         }
 146
 147         /* supportedExtension */
 148         if ( exop_root_dse_info( e ) != 0 ) {
 149                 return LDAP_OTHER;
 150         }
 151
 152 #ifdef LDAP_SLAPI
 153         /* netscape supportedExtension */
 154         for ( i = 0; (bv = ns_get_supported_extop(i)) != NULL; i++ ) {
 155                 vals[0] = *bv;
 156                 if( attr_merge( e, ad_supportedExtension, vals, NULL )) {
 157                         return LDAP_OTHER;
 158                 }
 159         }
 160 #endif /* LDAP_SLAPI */
 161
 162         /* supportedFeatures */
 163         if( attr_merge( e, ad_supportedFeatures, supportedFeatures, NULL ) ) {
 164                 return LDAP_OTHER;
 165         }
 166
 167         /* supportedLDAPVersion */
 168         for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
 169                 char buf[BUFSIZ];
 170                 if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
 171                         ( i < LDAP_VERSION3 ) )
 172                 {
 173                         /* version 2 and lower are disallowed */
 174                         continue;
 175                 }
 176                 snprintf(buf, sizeof buf, "%d", i);
 177                 vals[0].bv_val = buf;
 178                 vals[0].bv_len = strlen( vals[0].bv_val );
 179                 if( attr_merge( e, ad_supportedLDAPVersion, vals, NULL ) ) {
 180                         return LDAP_OTHER;
 181                 }
 182         }
 183
 184         /* supportedSASLMechanism */
 185         supportedSASLMechanisms = slap_sasl_mechs( conn );
 186
 187         if( supportedSASLMechanisms != NULL ) {
 188                 for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
 189                         vals[0].bv_val = supportedSASLMechanisms[i];
 190                         vals[0].bv_len = strlen( vals[0].bv_val );
 191                         if( attr_merge( e, ad_supportedSASLMechanisms, vals, NULL ) ) {
 192                                 return LDAP_OTHER;
 193                         }
 194                 }
 195                 ldap_charray_free( supportedSASLMechanisms );
 196         }
 197
 198         if ( default_referral != NULL ) {
 199                 if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) ) {
 200                         return LDAP_OTHER;
 201                 }
 202         }
 203
 204         if( usr_attr != NULL) {
 205                 Attribute *a;
 206                 for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
 207                         if( attr_merge( e, a->a_desc, a->a_vals,
 208                                 (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
 209                         {
 210                                 return LDAP_OTHER;
 211                         }
 212                 }
 213         }
 214
 215         *entry = e;
 216         return LDAP_SUCCESS;
 217 }
 218
 219 /*
 220  * Read the entries specified in fname and merge the attributes
 221  * to the user defined rootDSE. Note thaat if we find any errors
 222  * what so ever, we will discard the entire entries, print an
 223  * error message and return.
 224  */
 225 int read_root_dse_file( const char *fname )
 226 {
 227         FILE    *fp;
 228         int rc = 0, lineno = 0, lmax = 0;
 229         char    *buf = NULL;
 230
 231         if ( (fp = fopen( fname, "r" )) == NULL ) {
 232                 Debug( LDAP_DEBUG_ANY,
 233                         "could not open rootdse attr file \"%s\" - absolute path?\n",
 234                         fname, 0, 0 );
 235                 perror( fname );
 236                 return EXIT_FAILURE;
 237         }
 238
 239         usr_attr = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
 240         if( usr_attr == NULL ) {
 241 #ifdef NEW_LOGGING
 242                 LDAP_LOG( OPERATION, ERR,
 243                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 244 #else
 245                 Debug( LDAP_DEBUG_ANY,
 246                         "read_root_dse_file: SLAP_CALLOC failed", 0, 0, 0 );
 247 #endif
 248                 fclose( fp );
 249                 return LDAP_OTHER;
 250         }
 251         usr_attr->e_attrs = NULL;
 252
 253         while( ldif_read_record( fp, &lineno, &buf, &lmax ) ) {
 254                 Entry *e = str2entry( buf );
 255                 Attribute *a;
 256
 257                 if( e == NULL ) {
 258                         fprintf( stderr, "root_dse: could not parse entry (line=%d)\n",
 259                                 lineno );
 260                         rc = EXIT_FAILURE;
 261                         break;
 262                 }
 263
 264                 /* make sure the DN is the empty DN */
 265                 if( e->e_nname.bv_len ) {
 266                         fprintf( stderr,
 267                                 "root_dse: invalid rootDSE - dn=\"%s\" (line=%d)\n",
 268                                 e->e_dn, lineno );
 269                         entry_free( e );
 270                         rc = EXIT_FAILURE;
 271                         break;
 272                 }
 273
 274                 /*
 275                  * we found a valid entry, so walk thru all the attributes in the
 276                  * entry, and add each attribute type and description to the
 277                  * usr_attr entry
 278                  */
 279
 280                 for(a = e->e_attrs; a != NULL; a = a->a_next) {
 281                         if( attr_merge( usr_attr, a->a_desc, a->a_vals,
 282                                 (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
 283                         {
 284                                 rc = LDAP_OTHER;
 285                                 break;
 286                         }
 287                 }
 288
 289                 entry_free( e );
 290                 if (rc) break;
 291         }
 292
 293         if (rc) {
 294                 entry_free( usr_attr );
 295                 usr_attr = NULL;
 296         }
 297
 298         ch_free( buf );
 299
 300         fclose( fp );
 301
 302         Debug(LDAP_DEBUG_CONFIG, "rootDSE file %s read.\n", fname, 0, 0);
 303         return rc;
 304 }